Add test for memory dump.

Author: ioquatix

test/async/container/supervisor.rb

@@ -23,11 +23,30 @@ def to_json(...)
 		client = Async::Container::Supervisor::Client.new(instance, endpoint)
 		connection = client.connect
 
+		# Wait for the client to connect to the server:
 		sleep(0.001) until registration_monitor.registrations.any?
 
-		registration = registration_monitor.registrations.first
-		expect(registration.state).to have_keys(
+		connection = registration_monitor.registrations.first
+		expect(connection.state).to have_keys(
 			process_id: be == ::Process.pid
 		)
 	end
+	
+	with "do_memory_dump" do
+		it "can dump memory" do
+			instance = FakeInstance.new
+			client = Async::Container::Supervisor::Client.new(instance, endpoint)
+			client_task = client.run
+			
+			sleep(0.001) until registration_monitor.registrations.any?
+			
+			path = File.join(@root, "memory.json")
+			connection = registration_monitor.registrations.first
+			connection.call(do: :memory_dump, path: path)
+			
+			expect(File.size(path)).to be > 0
+		ensure
+			client_task&.stop
+		end
+	end
 end